Analisi quantitativa di forme di alcune lucerne tardoromane

Iwona Modrzewska, Giancarlo Taroni

«Archeologia e Calcolatori» 1992, 3, 19-36

Abstract

This paper considers certain geometrical aspects of three Late Roman oil lamps. Comparison is performed by choosing amongst the geometric indexes in order to single out and estimate similarities and peculiarities of their shape. The preferred indexes chosen were symmetry and a particular size ratio. A difficulty arose from the fact that, since one does not know the numerical variability of the indexes depending on even small deformations, poor information can be obtained. Therefore, using bootstrap resampling the sample distribution is estimated for the two indexes. Through its application, one can build new methods of comparison in order to evaluate similarities and differences otherwise impossible to evidence using conventional methods.

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